Same problem. My solution passes the 4 tests but not when I submit.

My guess is that a part of the challenge of the kata seems to be finding a fast solution. If the solution is too slow the server times out.

I'm having the same issue :(

Yes, also having this problem, I cant submit my answer

Anyone else getting a

"Submission timed out while communicating with our servers. This may infrequently happen if our servers are extremly busy. Please try again. If issues persist you can check status.codewars.com to see if server issues are being investigated."

error when submitting? I've retried for the past couple days and still the same error.